oj.uz

Submission #430451

# Submission time Handle Problem Language Result Execution time Memory
430451 2021-06-16T13:58:02 Z 2fat2code Crossing (JOI21_crossing) C++17
49 / 100
 7000 ms 15104 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define fr first
#define sc second
#define int long long
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int nmax = 200005;
const int mod = 1e9 + 7;
const int p = 101;

int n, q, pw[nmax], tree[4*nmax], lazy[4*nmax], sump[nmax];
string Sa, Sb, Sc, T0;

map<int,int>mp;

int generatehash(string aux){
    int hsh = 0;
    for(int i=0;i<(int)aux.size();i++){
        hsh = (hsh + pw[i] * (aux[i] - '0') % mod) % mod;
    }
    return hsh;
}

vector<pair<string, int>>vecc;

void calc(){
    for(auto it : vecc){
        mp[it.sc] = 1;
    }
    for(int i=0;i<(int)vecc.size();i++){
        for(int j=0;j<i;j++){
            string aux;
            for(int t=0;t<n;t++){
                if(vecc[i].fr[t] == vecc[j].fr[t]){
                    aux += vecc[i].fr[t];
                }
                else if(vecc[i].fr[t] != '1' && vecc[j].fr[t] != '1'){
                    aux += '1';
                }
                else if(vecc[i].fr[t] != '0' && vecc[j].fr[t] != '0'){
                    aux += '0';
                }
                else{
                    aux += '2';
                }
            }
            int curr = generatehash(aux);
            if(mp.count(curr) == 0){
                mp[curr] = 1;
                vecc.push_back({aux, curr});
            }
        }
    }
}

void build(int l, int r, int nod){
    if(l == r){
        tree[nod] = (T0[l - 1] - '0');
    }
    else{
        int mid = l + (r - l) / 2;
        build(l, mid, 2*nod);
        build(mid+1, r, 2*nod+1);
        tree[nod] = (tree[2*nod] + pw[(mid - l + 1)] * tree[2*nod + 1] % mod) % mod;
    }
}

void push(int l, int r, int nod){
    if(lazy[nod] >= 1){
        tree[nod] = (lazy[nod] - 1LL) * sump[r - l] % mod;
        if(l != r){
            lazy[2*nod] = lazy[nod];
            lazy[2*nod+1] = lazy[nod];
        }
        lazy[nod] = 0;
    }
}

void update(int l, int r, int le, int ri, int val, int nod){
    push(l, r, nod);
    if(l > ri || r < le){
        return;
    }
    else if(l >= le && r <= ri){
        lazy[nod] = val;
        push(l, r, nod);
    }
    else{
        int mid = l + (r - l) / 2;
        update(l, mid, le, ri, val, 2*nod);
        update(mid + 1, r, le, ri, val, 2*nod + 1);
        tree[nod] = (tree[2*nod] + pw[(mid - l + 1)] * tree[2*nod + 1] % mod) % mod;
    }
}

bool check(){
    push(1, n, 1);
    for(auto it : vecc){
        if(it.sc == tree[1]){
            return true;
        }
    }
    return false;
}


int32_t main(){
    //ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
  //  freopen("input.in", "r", stdin);
    pw[0] = 1;
    sump[0] = 1;
    for(int i=1;i<nmax;i++){
        pw[i] = pw[i-1] * p % mod;
        sump[i] = (sump[i-1] + pw[i]) % mod;
    }
    cin >> n >> Sa >> Sb >> Sc >> q >> T0;
    for(auto &it : Sa){
        if(it == 'J') it = '0';
        else if(it == 'O') it = '1';
        else it = '2';
    }
    for(auto &it : Sb){
        if(it == 'J') it = '0';
        else if(it == 'O') it = '1';
        else it = '2';
    }
    for(auto &it : Sc){
        if(it == 'J') it = '0';
        else if(it == 'O') it = '1';
        else it = '2';
    }
    for(auto &it : T0){
        if(it == 'J') it = '0';
        else if(it == 'O') it = '1';
        else it = '2';
    }
    vecc.push_back({Sa, generatehash(Sa)});
    vecc.push_back({Sb, generatehash(Sb)});
    vecc.push_back({Sc, generatehash(Sc)});
    calc();
    build(1, n, 1);
    cout << (check() == true ? "Yes" : "No") << '\n';
    for(int i=1;i<=q;i++){
        int l, r;
        char c;
        cin >> l >> r >> c;
        int val;
        if(c == 'J') val = 1;
        else if(c == 'O') val = 2;
        else val = 3;
        update(1, n, l, r, val, 1);
        cout << (check() == true ? "Yes" : "No") << '\n';
    }
}

// 1. Solve the problem
// 2. ???
// 3. Profit

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 3968 KB Output is correct
2 Correct 516 ms 4112 KB Output is correct
3 Correct 508 ms 4032 KB Output is correct
4 Correct 498 ms 3956 KB Output is correct
5 Correct 480 ms 3956 KB Output is correct
6 Correct 502 ms 3896 KB Output is correct
7 Correct 520 ms 4008 KB Output is correct
8 Correct 514 ms 4032 KB Output is correct
9 Correct 504 ms 3952 KB Output is correct
10 Correct 520 ms 4036 KB Output is correct
11 Correct 492 ms 3920 KB Output is correct
12 Correct 515 ms 4016 KB Output is correct
13 Correct 546 ms 4080 KB Output is correct
14 Correct 529 ms 4028 KB Output is correct
15 Correct 532 ms 3972 KB Output is correct
16 Correct 530 ms 4056 KB Output is correct
17 Correct 566 ms 3944 KB Output is correct
18 Correct 504 ms 4028 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 3968 KB Output is correct
2 Correct 516 ms 4112 KB Output is correct
3 Correct 508 ms 4032 KB Output is correct
4 Correct 498 ms 3956 KB Output is correct
5 Correct 480 ms 3956 KB Output is correct
6 Correct 502 ms 3896 KB Output is correct
7 Correct 520 ms 4008 KB Output is correct
8 Correct 514 ms 4032 KB Output is correct
9 Correct 504 ms 3952 KB Output is correct
10 Correct 520 ms 4036 KB Output is correct
11 Correct 492 ms 3920 KB Output is correct
12 Correct 515 ms 4016 KB Output is correct
13 Correct 546 ms 4080 KB Output is correct
14 Correct 529 ms 4028 KB Output is correct
15 Correct 532 ms 3972 KB Output is correct
16 Correct 530 ms 4056 KB Output is correct
17 Correct 566 ms 3944 KB Output is correct
18 Correct 504 ms 4028 KB Output is correct
19 Correct 6589 ms 14156 KB Output is correct
20 Correct 6345 ms 10816 KB Output is correct
21 Correct 5765 ms 13976 KB Output is correct
22 Correct 5091 ms 13860 KB Output is correct
23 Correct 880 ms 4676 KB Output is correct
24 Correct 896 ms 4584 KB Output is correct
25 Correct 6323 ms 14460 KB Output is correct
26 Correct 6327 ms 14280 KB Output is correct
27 Correct 6452 ms 14232 KB Output is correct
28 Correct 6420 ms 14128 KB Output is correct
29 Correct 6042 ms 14124 KB Output is correct
30 Correct 884 ms 4820 KB Output is correct
31 Correct 6452 ms 14068 KB Output is correct
32 Correct 5656 ms 14020 KB Output is correct
33 Correct 896 ms 4768 KB Output is correct
34 Correct 6420 ms 14344 KB Output is correct
35 Correct 4498 ms 13764 KB Output is correct
36 Correct 895 ms 4608 KB Output is correct
37 Correct 886 ms 4644 KB Output is correct
38 Correct 5945 ms 10896 KB Output is correct
39 Correct 5952 ms 9940 KB Output is correct
40 Correct 4376 ms 9364 KB Output is correct
41 Correct 2893 ms 14140 KB Output is correct
42 Correct 2394 ms 10096 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 3968 KB Output is correct
2 Correct 516 ms 4112 KB Output is correct
3 Correct 508 ms 4032 KB Output is correct
4 Correct 498 ms 3956 KB Output is correct
5 Correct 480 ms 3956 KB Output is correct
6 Correct 502 ms 3896 KB Output is correct
7 Correct 520 ms 4008 KB Output is correct
8 Correct 514 ms 4032 KB Output is correct
9 Correct 504 ms 3952 KB Output is correct
10 Correct 520 ms 4036 KB Output is correct
11 Correct 492 ms 3920 KB Output is correct
12 Correct 515 ms 4016 KB Output is correct
13 Correct 546 ms 4080 KB Output is correct
14 Correct 529 ms 4028 KB Output is correct
15 Correct 532 ms 3972 KB Output is correct
16 Correct 530 ms 4056 KB Output is correct
17 Correct 566 ms 3944 KB Output is correct
18 Correct 504 ms 4028 KB Output is correct
19 Correct 570 ms 3960 KB Output is correct
20 Correct 579 ms 3992 KB Output is correct
21 Correct 544 ms 4012 KB Output is correct
22 Correct 537 ms 3948 KB Output is correct
23 Correct 524 ms 3992 KB Output is correct
24 Correct 508 ms 4008 KB Output is correct
25 Correct 505 ms 4004 KB Output is correct
26 Correct 499 ms 4016 KB Output is correct
27 Correct 506 ms 4004 KB Output is correct
28 Correct 472 ms 4092 KB Output is correct
29 Correct 494 ms 4036 KB Output is correct
30 Correct 480 ms 3996 KB Output is correct
31 Correct 546 ms 4036 KB Output is correct
32 Correct 548 ms 3976 KB Output is correct
33 Correct 564 ms 3996 KB Output is correct
34 Correct 538 ms 3888 KB Output is correct
35 Correct 544 ms 3960 KB Output is correct
36 Correct 546 ms 4024 KB Output is correct
37 Correct 545 ms 4036 KB Output is correct
38 Correct 551 ms 4180 KB Output is correct
39 Correct 551 ms 4036 KB Output is correct
40 Correct 541 ms 4028 KB Output is correct
41 Correct 550 ms 4092 KB Output is correct
42 Correct 548 ms 4072 KB Output is correct
43 Correct 530 ms 4012 KB Output is correct
44 Correct 561 ms 3964 KB Output is correct

Subtask #4
0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 481 ms 3968 KB Output is correct
2 Correct 516 ms 4112 KB Output is correct
3 Correct 508 ms 4032 KB Output is correct
4 Correct 498 ms 3956 KB Output is correct
5 Correct 480 ms 3956 KB Output is correct
6 Correct 502 ms 3896 KB Output is correct
7 Correct 520 ms 4008 KB Output is correct
8 Correct 514 ms 4032 KB Output is correct
9 Correct 504 ms 3952 KB Output is correct
10 Correct 520 ms 4036 KB Output is correct
11 Correct 492 ms 3920 KB Output is correct
12 Correct 515 ms 4016 KB Output is correct
13 Correct 546 ms 4080 KB Output is correct
14 Correct 529 ms 4028 KB Output is correct
15 Correct 532 ms 3972 KB Output is correct
16 Correct 530 ms 4056 KB Output is correct
17 Correct 566 ms 3944 KB Output is correct
18 Correct 504 ms 4028 KB Output is correct
19 Correct 6589 ms 14156 KB Output is correct
20 Correct 6345 ms 10816 KB Output is correct
21 Correct 5765 ms 13976 KB Output is correct
22 Correct 5091 ms 13860 KB Output is correct
23 Correct 880 ms 4676 KB Output is correct
24 Correct 896 ms 4584 KB Output is correct
25 Correct 6323 ms 14460 KB Output is correct
26 Correct 6327 ms 14280 KB Output is correct
27 Correct 6452 ms 14232 KB Output is correct
28 Correct 6420 ms 14128 KB Output is correct
29 Correct 6042 ms 14124 KB Output is correct
30 Correct 884 ms 4820 KB Output is correct
31 Correct 6452 ms 14068 KB Output is correct
32 Correct 5656 ms 14020 KB Output is correct
33 Correct 896 ms 4768 KB Output is correct
34 Correct 6420 ms 14344 KB Output is correct
35 Correct 4498 ms 13764 KB Output is correct
36 Correct 895 ms 4608 KB Output is correct
37 Correct 886 ms 4644 KB Output is correct
38 Correct 5945 ms 10896 KB Output is correct
39 Correct 5952 ms 9940 KB Output is correct
40 Correct 4376 ms 9364 KB Output is correct
41 Correct 2893 ms 14140 KB Output is correct
42 Correct 2394 ms 10096 KB Output is correct
43 Correct 570 ms 3960 KB Output is correct
44 Correct 579 ms 3992 KB Output is correct
45 Correct 544 ms 4012 KB Output is correct
46 Correct 537 ms 3948 KB Output is correct
47 Correct 524 ms 3992 KB Output is correct
48 Correct 508 ms 4008 KB Output is correct
49 Correct 505 ms 4004 KB Output is correct
50 Correct 499 ms 4016 KB Output is correct
51 Correct 506 ms 4004 KB Output is correct
52 Correct 472 ms 4092 KB Output is correct
53 Correct 494 ms 4036 KB Output is correct
54 Correct 480 ms 3996 KB Output is correct
55 Correct 546 ms 4036 KB Output is correct
56 Correct 548 ms 3976 KB Output is correct
57 Correct 564 ms 3996 KB Output is correct
58 Correct 538 ms 3888 KB Output is correct
59 Correct 544 ms 3960 KB Output is correct
60 Correct 546 ms 4024 KB Output is correct
61 Correct 545 ms 4036 KB Output is correct
62 Correct 551 ms 4180 KB Output is correct
63 Correct 551 ms 4036 KB Output is correct
64 Correct 541 ms 4028 KB Output is correct
65 Correct 550 ms 4092 KB Output is correct
66 Correct 548 ms 4072 KB Output is correct
67 Correct 530 ms 4012 KB Output is correct
68 Correct 561 ms 3964 KB Output is correct
69 Execution timed out 7029 ms 15104 KB Time limit exceeded
70 Halted 0 ms 0 KB -